Stainless Steel O-Rings, Buckles Webbing Leathercraft Metal O Ring ø5mm -ø150mm. Material: A2 Stainless Steel. Size:ø5mm – ø150mm. High Grade Stainless Steel. Heavy Duty Products. Smooth stainless steel rings. Ideal for Leashes, DIY, Webbing, Leather Crafts or other Crafts and variety of jobs all around. A2 stainless steel fasteners are widely used in industry, furniture decoration and other industries with a wide range of use, so that it is unanimously welcomed by various industries. Products selected A2 stainless steel, with good corrosion resistance, oxidation heat resistance, high strength, high toughness characteristics. We care about our valued buyers, if you have any questions, our Customer Service staffs will be very glad to help you. We try our best to reply to your emails as soon as possible, however, due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. We will try our best to deal with the problem to make you.